Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 140,776 pages of information and 227,393 images on early companies, their products and the people who designed and built them.

Roots Economic Gas Engine Co

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From ‘1892 The Practical Engineer’

of 1 Holborn Avenue, High Holborn, London

was this an early engine developed by James Dennis Roots?

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